Home / 15,430.50-23,145.75-5,042.25

Finding the Fourth Proportional to 15,430.50, 23,145.75 and 5,042.25

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Solution

The fourth proportional to 15,430.50, 23,145.75 and 5,042.25 is: 7,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.50 : 23,145.75 = 5,042.25 : x
  2. Step 2: Convert to fraction form
    15,430.50/23,145.75 = 5,042.25/x
  3. Step 3: Cross multiply
    15,430.50x = 23,145.75 × 5,042.25
  4. Step 4: Simplify right side
    15,430.50x = 116,706,657.94
  5. Step 5: Solve for x
    x = 116,706,657.94/15,430.50
  6. Step 6: Final answer
    x = 7,563.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.